Never give up, and be confident in what you do. There may be tough times, but the difficulties which you face will make you more determined to achieve your objectives and to win against all the odds.
Sometimes by losing a battle you find a new way to win the war.
You must accept that you might fail; then, if you do your best and still don't win, at least you can be satisfied that you've tried. If you don't accept failure as a possibility, you don't set high goals, you don't branch out, you don't try - you don't take the risk.
Success doesn't necessarily come from breakthrough innovation but from flawless execution. A great strategy alone won't win a game or a battle; the win comes from basic blocking and tackling.
What the American people want to see in their president is somebody who not necessarily can win every fight, but they want to see him stand up and fight for what he believes, take his case to the American people.